From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Fu, Zhonghui" Subject: [PATCH v2] mmc: enable mmc host device to suspend/resume asynchronously Date: Mon, 21 Sep 2015 14:13:13 +0800 Message-ID: <55FF9FF9.5080601@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Return-path: Received: from mga01.intel.com ([192.55.52.88]:55325 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755746AbbIUGNU (ORCPT ); Mon, 21 Sep 2015 02:13:20 -0400 Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: Ulf Hansson , Adrian Hunter , linus.walleij@linaro.org, Markus.Niebel@tq-group.com, lars@metafoo.de, s.hauer@pengutronix.de, kristina.martsenko@gmail.com Cc: linux-mmc , "linux-kernel@vger.kernel.org" Now, PM core supports asynchronous suspend/resume mode for devices during system suspend/resume, and the power state transition of one device may be completed in separate kernel thread. PM core ensures all power state transition timing dependency between devices. This patch enables mmc host device to suspend/resume asynchronously. This will take advantage of multicore and improve system suspend/resume speed. Signed-off-by: Zhonghui Fu --- Changes in v2: - Amend commit message. drivers/mmc/core/host.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c index abd933b..8dfc011 100644 --- a/drivers/mmc/core/host.c +++ b/drivers/mmc/core/host.c @@ -577,6 +577,7 @@ struct mmc_host *mmc_alloc_host(int extra, struct device *dev) host->class_dev.parent = dev; host->class_dev.class = &mmc_host_class; device_initialize(&host->class_dev); + device_enable_async_suspend(&host->class_dev); if (mmc_gpio_alloc(host)) { put_device(&host->class_dev); -- 1.7.1